Window-screen



(No Model.)

W. H. & W. J. CLARK.

WINDOW SGREEN.

No. 435.797. Patented Sept. 2, 1890.

UNITED STATES PATENT OFFICE.

WILLIAM II. CLARK AND WILLIAM J. CLARK, on SALEM, OHIO.

WINDOW-SCREEN.

SPECIFICATION forming part of Letters Patent No. 435,797, datedSeptember 2, 1890. Application filed Eeptember 10, 1888. Serial No.285,015. (No model.)

To all whom it may concern:

Be it known that we, WILLIAM I1. CLARK and WILLIAM J. CLARK, both ofSalem, Columbiana county, Ohio, have invented a new and usefulImprovement in \Vindow-Soreens, of which the following is aspecification.

Our invention is an improvement in those gauze screens forwindow-openings which have one or two extension wings or slides toenable the screen to be fitted to anyopening.

Our improvement consists in novel features of construction, ashereinafter described and claimed.

In the accompanying drawings, Figure I is a perspective View of awindow-screen embodying our invention. Fig. II is an end elevation ofthe upper portion of the same. Fig. III represents the upper portion ofour sliding extension or wing. Fig. IV represents a portion of thescreen on the reverse side to Fig. I,a part of the screen proper beingshown broken away, so as to expose the guide-tongue and the stop.

In the following description the side of the screen presented in Fig. IVis called the front, and that presented in Fig. I is called the rear, ofthe screen.

1 represents the frame, and 2 the gauze filling or panel of thescreen-body. The top and bottom front corners of the screen-body haveeach a rabbet 3, extending from side to side, 7 and having at itsinnermost angle a vertical inwardly-extending groove 4: and a horizontalinwardly-extending groove 5. Each of such doubly-grooved rabbetscontains a pair of four correspondingly-formed slides 6, which arenailed, screwed, or otherwise firmly fastened to the wings or slidingextensions 7. S 9 represent, respectively, vertical and horizontaltongues on said slides, which occupy the said grooves 4 5. Both outwardand inward play of said wings is limited by stops, which consist of pins10, that, being driven horizontally into the substance of the frame 1,occupy horizontal slots 11 in the vertical tongues 8.

We claim as new and of our invention- The combination of the frame 1,having the top and bottom rails thereof formed with rabbets 3, extendingall the way across the frame, and provided with vertical. grooves 4,extending all the way across the frame in the horizontal angles of therabbets, and with horizontal grooves 5, extending all the way across theframe in the vertical angles of the rabbets, the wings 7, having top andbottom slides 6, formed with vertical tongues'S, and horizontal slots 11in said tongues, and with horizontal tongues 9, and -the stop-pins 10,extending through the horizontal slots across the rails and guides,substantially as shown and described.

In testimony of which invention we hereunto set our hands.

WILLIAM H. CLARK. WILLIAM J. CLARK.

Attest:

W. XV. IIoLE, KITTIE M. CALLAHAN.

